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<head>
    <meta charset="UTF-8">
    <title>Title</title>
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<body>
<img src="https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fpic1.win4000.com%2Fwallpaper%2F2018-04-08%2F5ac9b8a6d09a3.jpg&refer=http%3A%2F%2Fpic1.win4000.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1632393039&t=51ed48a2248722de5617af26a8f1a3be"
width="30%" height="20%">    <!--绝对路径   百分比尺寸-->
<img src="../imgs/a.jpg" width=194 height="250"> <!--相对路径1   像素尺寸-->
<audio src="../audios/b.mp3" controls="controls"></audio> <!--相对路径2-->
<video src="../videos/c.mp4" controls="controls" height="30%" width="60%"></video> <!--相对路径3-->

</body>
</html>